/Engine/Plugins/Interchange/Runtime/Source/FactoryNodes/Public/InterchangeMeshFactoryNode.h
Query whether the static mesh factory should ignore the vertex color. Return false if the attribute was not set.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Interchange | FactoryNode | Mesh") bool GetCustomVertexColorIgnore ( bool & AttributeValue ) const